
Noted:
A.二次側的MOS是infineon的028N06NS
B.變壓器感量設定700 ~800多uH
C.目前忽略EMI特性 , L6這電桿改上一顆0805的0Ω電阻
D.C29 C31 C35使用固態電容來省下L3電感之成本
E.X電容只上一顆在CX2
F. MOV1、CX1、C26、C24都不用上,包括NC值
G.短路的有NTC1、L4、L3、T4(兩顆X電容中間),T4需注意電桿
短路方向
- Light Load Power Consumption AT1688
Vin (Vac) | Pin (mW) | ||
no load (0mA) |
1%load (56mA) |
||
90 | 106 | 953 | |
110 | 102 | 966 | |
230 | 125 | 973 | |
264 | 157 | 1.025 |
- Over Current Protection
Vin (Vac) | OCP (A) |
Ccs=10nF | |
90 | 6.3 |
110 | 6.4 |
230 | 6.1 |
264 | 5.8 |
- Efficiency AT1688
Vin (Vac) | Efficiency (%) | Average (%) | ||||
1A | 2A | 3A | 4A | 5A | ||
110 | 91.47% | 92.54% | 92.71% | 92.61% | 92.23% | 92.32% |
230 | 91.38% | 93.04% | 93.54% | 93.63% | 93.71% | 93.06% |
